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《M4216珩磨机半自动改装》鉴定会于83年12月26日至28日在西安举行。西安市冶金机电局受机械工业部农机局的委托,主持了会议。参加会议的有来自全国各地的内燃机配件厂、高等院校、科研设计院(所)、机床制造公司等22个单位,36名代表。 M4216珩磨机是一种老式珩磨机,估计在机械加工行业中拥有600～800台,目前仍然是缸套生产厂珩磨缸套的主要设备。但由于设备陈旧、珩磨加工精度低、废品率高、生产率低、操作困难,已不能适应产品升级换代的需要。
The appraisal of “Semi-Automatic Modification of M4216 Honing Machine” was held in Xi’an from December 26 to 28, 1983. Xi’an Metallurgical Machinery and Electrical Bureau was commissioned by the Agricultural Machinery Bureau of the Ministry of Machinery Industry to preside over the meeting. At the meeting, there were 22 units and 36 representatives from internal combustion engine parts factories, universities, research and design institutes, and machine tool manufacturing companies across the country. The M4216 Honing Machine is an old-fashioned Honing Machine, which is estimated to have 600 to 800 units in the machining industry. It is still the main equipment for the Honing Cylinder Liner in the liner manufacturing plant. However, due to obsolete equipment, low honing accuracy, high reject rate, low productivity, and operational difficulties, it has not been able to adapt to the needs of product upgrading.